Question

Write a rule for the nth term of the arithmetic sequence
-11, -4, 3, 10...

Answer 1

Answer: aₙ = -11 + 7(n - 1)

Step-by-step explanation: The equation of an arithmetic sequence is

aₙ = a₁ + d(n - 1).

a₁ is the first term.

d is the common difference.